摘要
在页岩气压裂开采过程中,为了提高压裂效率,部分井场在地面采用一种新型的高压管汇快接装置。针对该装置中四通管处的冲蚀磨损问题,基于DPM冲蚀预测模型,利用FLUENT软件研究水力压裂下快接管汇装置的四通部位的冲蚀磨损规律。结果表明,冲蚀集中面位于相贯线及其附近的管壁上;质量流不变的情况下,随着粒度的增大,相贯线上最大冲蚀率呈指数式降低,管壁上最大冲蚀率先增大后减小;质量流不变的情况下,随着黏度的增大,最大冲蚀磨损量增大,且随着粒径的增大,其变化规律由对数型向指数型过渡。
In the process of shale gas fracturing,a new type of high-pressure manifold quick-connection device is used in some well to improve the hydraulic fracturing efficiency.In order to study the erosion wear law of the cross-pipe in the device during hydraulic fracturing,the DPM erosion prediction model and FLUENT software are used in this analysis.The results showed that the erosion-concentration-area is mainly located on the intersecting lines and the pipe wall near them;When the mass flow is constant,the maximum erosion rate on the interseciting lines decreases exponentially with the increase of particle size,and the maximum erosion rate on the pipe wall first increases and then decreases;When the mass flow is constant,the maximum erosion rate increases with the increase of viscosity.And the law of maximum erosion rate changing with viscosity changes from the logarithmic type to exponential type with the increase of particle size at the same time.
作者
钟功祥
胥卜轩
谢锐
程柯文
吴陈
ZHONG Gongxiang;XU Boxuan;XIE Rui;CHENG Kewen;WU Chen(Key Laboratory of Ministry of Education of Petroleum and Natural Gas Equipment,Southwest Petroleum University,Chengdu 610500,China)
出处
《机械科学与技术》
CSCD
北大核心
2021年第4期534-541,共8页
Mechanical Science and Technology for Aerospace Engineering
